Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15-0500-03225 ITEM 52 found under Nut Plain Hexagon by Cincinnati Gear Co The. The National Stock Number assigned to this part is 5310013438757, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 15-0500-03225 ITEM 52.